Cycling of nitrogen between soil, water, and the atmosphere
Flow of energy from one organism to another in a food web
Living and non-living things in an area and their interactions
Conditions an animal needs to grow and reproduce
Sunlight
Dead plants
Animals
Soil
only found in forests
a collection of organisms and materials that interact
unchanging, fragile systems that are easily damaged
the place where animals live
Resilience
Boundaries
Scale
Food webs
Kilometer
Meter
Centimeter
All of the above